A new type of carbon electrode using colloid-pitch as complex binder was made. It's main physical properties were measured and analyzed.
本文用凝胶—沥青复合粘结剂研制成一种新型少烟害炭素电极，并对其主要物理性能作了测试分析。
The main conclusions can be drawn as follows: (1) Intercropping could obviously improve soil physical and chemical properties.
主要结论如下：(1)林粮间作能较好地改善土壤物理和化学性质。
Properties are classified into two main groups, physical and chemical properties.
材料特性可分为物理特性和化学特性两大类。
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